Home / 236,196,456.80-354,294,685.20-72,432,912.65

Finding the Fourth Proportional to 236,196,456.80, 354,294,685.20 and 72,432,912.65

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Solution

The fourth proportional to 236,196,456.80, 354,294,685.20 and 72,432,912.65 is: 108,649,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,196,456.80 : 354,294,685.20 = 72,432,912.65 : x
  2. Step 2: Convert to fraction form
    236,196,456.80/354,294,685.20 = 72,432,912.65/x
  3. Step 3: Cross multiply
    236,196,456.80x = 354,294,685.20 × 72,432,912.65
  4. Step 4: Simplify right side
    236,196,456.80x = 25,662,595,985,450,848
  5. Step 5: Solve for x
    x = 25,662,595,985,450,848/236,196,456.80
  6. Step 6: Final answer
    x = 108,649,368.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.